SOMERSET PLANT

How SOMERSET PLANT compares

With 117 MW of capacity, SOMERSET PLANT ranks 19th among the 125 operating power plants Bywatts maps in Massachusetts and is the largest of the 10 operating Biomass plants in the state. It accounts for about 27% of Massachusetts's operating Biomass capacity and 1.3% of all operating capacity in the state. Nationally it is the 10th-largest of the 350 operating Biomass plants in the database. Commissioned in 1976, it is older than 68% of the 122 operating Massachusetts plants with a recorded commissioning year. It shares Suffolk County with 7 other operating plants, including MEDICAL AREA TOTAL ENERGY PLANT and DEER ISLAND TREATMENT PLANT.

EIA-860 lists 2 generators at the site with 107 MW of nameplate capacity, all wood/wood waste biomass technology. Net generation was 527 GWh in 2024 (a 56% capacity factor), up 2% from 2022. Its generators came online between 1976 and 1990.

Grid neighborhood

The closest transmission line found within 10 miles is a 345 kV line owned by NSTAR ELECTRIC COMPANY, about 0.5 miles away. Another 21 operating power plants totaling 1,849 MW sit within 25 miles; the largest is FORE RIVER GENERATING STATION (872 MW, Natural Gas). Within 50 miles are 5 mapped data centers; the nearest is Markley Group One Summer Street Boston in Boston, about 0.6 miles away.

Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology